All ports
Port801/UDP
devicePort
801
Protocol
UDP
Category
Well-Known
Service
device
What is port 801?
Port 801/UDP is a Well-Known port, assigned by IANA for widely recognized services. It is associated with the device service.
Useful commands
nmapnmap -p 801 -sV example.comnetcatnc -zv example.com 801curlcurl -v http://example.com:801/telnettelnet example.com 801bash(echo > /dev/udp/example.com/801) 2>/dev/nullFirewall commands
UFWAllow
sudo ufw allow 801/udpDeny
sudo ufw deny 801/udpiptablesAllow
sudo iptables -A INPUT -p udp --dport 801 -j ACCEPTDeny
sudo iptables -D INPUT -p udp --dport 801 -j ACCEPTfirewalldAllow
sudo firewall-cmd --permanent --add-port=801/udpWindowsAllow
netsh advfirewall firewall add rule name="Open Port 801" dir=in action=allow protocol=UDP localport=801Security Risks
- Unauthorized access to the service
- Data exposure if the service is unauthenticated
- Outdated versions with vulnerabilities
- Incorrect service configuration
Frequently Asked Questions
What service runs on port 801/UDP?
Port 801/UDP is associated with the device service. No detailed description is available in the IANA registry.
Is it safe to expose port 801 to the Internet?
It depends on the service and configuration. Port 801 (device) is a Well-Known port. If you need to expose it, keep the service updated, use strong authentication, and configure a firewall. It's always recommended to restrict access by IP when possible.
How do I check if port 801 is open?
You can use nmap: `nmap -p 801 -sV example.com`, netcat: `nc -zv example.com 801`, or the bash command: `(echo > /dev/udp/example.com/801) 2>/dev/null && echo "Open" || echo "Closed"`.
How do I open or close port 801 on my firewall?
On Linux with UFW: `sudo ufw allow 801/udp` (open) or `sudo ufw deny 801/udp` (close). With iptables: `sudo iptables -A INPUT -p udp --dport 801 -j ACCEPT`. On Windows: `netsh advfirewall firewall add rule name="Open Port 801" dir=in action=allow protocol=UDP localport=801`.
What applications and services use port 801?
Port 801/UDP is used by the device service. Specific uses depend on the software and configuration. Check our related tools section for more information.